Ridiculous is ridiculous

http://www.wired.com/dangerroom/2011/06/nsa-declassifies-200-year-old-book/

Almost every school-aged child in USSR knew that Lenin used milk as invisible ink in prison, and that he made an ink-pot of a piece if bread, so he could eat at the sign of being watched. Now this arcane knowledge is available to American public.

math discoveries

In Russian "rectangle" is "прямоугольник" - pryamougolnik. Try to say it when you are 3,5. So D. pronounces it as "pi-ugolnik", which literally means "pi-angle". So we try to imagine a figure with angles numbered "pi".

yes, we are easily amused.